Troxler 4140 - Page 90

A-12
APPLY MAGNALUBE-G
TURNTABLE
RETAINER
O-RING
NEEDLE THRUST BEARING
THRUST WASHER
4-40 x 1/4” FLATHEAD SCREWS (6)
Figure A-1. Cleaning and Greasing
the Bearing and Related Parts
✓ Remove the six 4-40 x 1/4" flathead screws that attach the
retaining ring to the unit.
✓ Clean the retaining ring with a degreasing cleaner and clean
rag.
✓ Remove the turntable by inserting a small screwdriver into
one of the three holes in the turntable and lifting it up.
When the turntable is removed, the bearing may also come
out.
✓ If the bearing came out with the turntable, then detach them.
✓ Remove the o-ring that is around the turntable.
✓ Clean the o-ring with isopropyl alcohol and a clean rag.
✓ Clean both the turntable and the bearing with a degreasing
cleaner and a clean rag.
✓ Using a small screwdriver, remove the washer.
✓ Clean the washer with a degreasing cleaner and clean rag.
✓ With a degreasing cleaner and a clean rag, clean the area
inside the unit that contained the turntable, bearing, and
washer.